How severe is CVE-2021-1907?

CVE-2021-1907 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-1907 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-1907?

CVE-2021-1907 primarily affects Qualcomm Apq8053 Firmware. In total, 84 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-1907?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-1907 published?

CVE-2021-1907 was published on 2021-07-13 and last updated on 2026-06-17.

CVE-2021-1907

CVE-2021-1907 is a high-severity vulnerability in Qualcomm Apq8053 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Qualcomm Apq8053 Firmware
Published: 2021-07-13
Last modified: 2026-06-17

Description

Possible buffer overflow due to lack of length check in BA request in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile

Frequently asked questions

What is CVE-2021-1907?: Possible buffer overflow due to lack of length check in BA request in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile
How severe is CVE-2021-1907?: CVE-2021-1907 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-1907 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-1907?: CVE-2021-1907 primarily affects Qualcomm Apq8053 Firmware. In total, 84 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-1907?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-1907 published?: CVE-2021-1907 was published on 2021-07-13 and last updated on 2026-06-17.

References

https://www.qualcomm.com/company/product-security/bulletins/july-2021-bulletin

Affected products (84)

cpe:2.3:o:qualcomm:apq8053_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csrb31024_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:msm8953_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6175a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6390_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6391_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6426_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6436_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6564a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6564au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6574_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6574a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6574au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6584au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6595_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6595au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcm4290_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcm6125_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs4290_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs6125_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa415m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa515m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa6145p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa6150p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa6155_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa6155p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa8145p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa8150p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa8155_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa8155p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa8195p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_636_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd480_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd660_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd665_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd670_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd710_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd765_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd765g_firmware:-:*:*:*:*:*:*:*

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